Search a number
-
+
50030511321 = 3711551206251
BaseRepresentation
bin101110100110000011…
…010000010011011001
311210010201020022021210
4232212003100103121
51304430302330241
634552251253333
73420542221020
oct564603202331
9153121208253
1050030511321
111a243a1271a
12984314a249
13494419366b
1425c87d38b7
15147c3c0316
hexba60d04d9

50030511321 has 16 divisors (see below), whose sum is σ = 76243939328. Its totient is φ = 28586250000.

The previous prime is 50030511317. The next prime is 50030511347. The reversal of 50030511321 is 12311503005.

It is not a de Polignac number, because 50030511321 - 22 = 50030511317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50030511121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139446 + ... + 345696.

It is an arithmetic number, because the mean of its divisors is an integer number (4765246208).

Almost surely, 250030511321 is an apocalyptic number.

It is an amenable number.

50030511321 is a deficient number, since it is larger than the sum of its proper divisors (26213428007).

50030511321 is a wasteful number, since it uses less digits than its factorization.

50030511321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217812.

The product of its (nonzero) digits is 450, while the sum is 21.

The spelling of 50030511321 in words is "fifty billion, thirty million, five hundred eleven thousand, three hundred twenty-one".

Divisors: 1 3 7 21 11551 34653 80857 206251 242571 618753 1443757 4331271 2382405301 7147215903 16676837107 50030511321